Humulus lupulus (Common Hops)

Plant Info
Also known as: American Hops
Family:Cannabaceae (Hemp)
Life cycle:perennial
Habitat:part shade, sun; average to moist soil; woodland edges, thickets, fencerows, floodplains, riverbanks
Bloom season:July - August
Plant height:3 to 25 feet
Wetland Indicator Status:GP: FACU MW: FACU NCNE: FACU
MN county distribution (click map to enlarge):Minnesota county distribution map
National distribution (click map to enlarge):National distribution map

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Detailed Information

Flower: Flower shape: 5-petals Flower shape: indistinct Cluster type: panicle Cluster type: raceme

[photo of female flowers] Separate male and female flowers on separate plants (dioecious). Female flowers are clustered at the tips of stalks arising from leaf axils and at branch tips, with 10 to 50 pairs of flowers in a cluster, each pair subtended by a green to yellowish bract, mostly blunt at the tip and dotted with yellow glands at the base. Female flowers have 2 long thread-like styles and no petals. Female clusters are up to ¾ inch long, with a series of rounded, hairless bracts around the base.

[photo of male flowers] Male flowers are in branching clusters arising from upper leaf axils and at branch tips, with 20 to 100+ flowers in a cluster. Male flowers have 5 spreading sepals, 5 short stamens with creamy yellow tips dotted with yellow glands, and are short-stalked.

Leaves and stems: Leaf attachment: opposite Leaf type: lobed Leaf type: simple

[photo of leaves] Leaves are opposite, 1 to 6 inches long, the largest leaves as wide as long or nearly so, sharply toothed around the edges, broadly heart-shaped in outline. Most leaves have 3 to 7 lobes, the lobes with sharply pointed tips; some leaves are unlobed. The dominant number of lobes on a plant depends on the variety (see Notes below) but is usually 3.

[photo of glands and midvein hairs on leaf underside] The upper leaf surface is mostly hairless, the lower surface variously softly hairy along the veins, sometimes also on the surface. Yellow glands dot the lower surface. Leaf stalks are usually shorter than the blade. Leaf nodes are minutely hairy. Surrounding the stalk at the leaf node is a pair of leafy appendages (stipules) that are more or less triangular, soon split down the middle, and eventually wither away.

[photo of stem hairs] Stems are branched and green. Stems and leaf stalks have scattered downward-pointing hairs that grab onto trees and other structures and allow the vine to climb.

Fruit: Fruit type: seed without plume

[photo of fruit] The floral bracts enlarge and create a cone-like structure up to 3 inches long, holding the yellowish, gland-dotted seeds. The cones ripen to straw-colored then brown and persist through winter.


Common Hops is a confused (or confusing, depending on your point of view) species. There are currently 4 recognized varieties, though a recent study recommends changing them to 4 separate species, one of which is European in origin and the rest native to North America. They are distinguished from each other by, among other things, the density of hairs along the leaf midrib and density of glands on the lower leaf surface (10x or greater magnification recommended). Start counting.

  • The European var. humulus (H. lupulus) is the hops cultivated for beer making, the resinous dots giving it its distinctive aroma and flavor; it has 15 to 25 hairs per linear cm on the midrib and fewer than 20 glands per square cm on the surface, where the other vars have 25 or more glands.
  • For var. neomexicanus (H. neomexicanus), there are more than 30 glands per sq. cm and the largest leaves have 5 or 7 lobes, where 3 lobes is more common for the other vars.
  • For var. pubescens (H. pubescens), leaf hairs are spreading, the leaf midrib has more than 100 hairs per linear cm, hairs are on the surface as well as veins.
  • For var. lupuloides (H. lupuloides), leaf hairs are appressed, the leaf midrib has 20 to 75 hairs per linear cm.

The DNR currently lists both var. pubescens and var. lupuloides present in Minnesota. There are no Bell Herbarium records for var. pubescens and the DNR does not currently list any specific counties for it, but more than half the existing records have no var designation at all and at least some portion are likely the European species. With this state of things it is not surprising the national distribution map is not distinguishing the native and European vars. Maybe some day it will be sorted out. Of note is we encountered Hops in Aitkin County that had predominantly 5 or 7 lobes, which is apparently atypical for either pubescens or lupuloides but not neomexicanus., though there are currently no records of neomexicanus in MN. That site is worth a revisit.

The invasive Japanese Hops (Humulus japonicus, a.k.a. Humulus scandens) is very similar to Common Hops, and is distinguished by hairier stems, leaf stalks mostly longer than the blade, leaves with 5 to 9 lobes (none unlobed, few 3-lobed near the stem tip), stiff leaf hairs, and stipules and floral bracts with a fringe of hairs around the edge. Japanese Hops is also an annual, where Common Hops is perennial.

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More photos

Photos by K. Chayka taken in Aitkin, Anoka and Ramsey counties. Photos courtesy Peter M. Dziuk taken in Aitkin, Anoka, Ramsey and Winona counties. Humulus lupulus male flowers by H. Zell, via Wikimedia Commons, used under CC BY-SA 3.0.


Have you seen this plant in Minnesota, or have any other comments about it?

Posted by: jake - rice county
on: 2017-03-23 21:57:16

Do you have any more specific locations these wild hops are growing, and if so, how far fetched would it be to harvest seed or the plant for planting comared to buying from a nusery,

Posted by: K. Chayka
on: 2017-03-24 08:22:18

We do not condone taking plants or seeds from the wild. FYI, it is illegal to dig plants from the wild unless you have the landowners permission. That includes public lands regardless of which level of government owns the land. Purchase seeds or plants from a reputable native plant nursery instead. If you're concerned about getting a native species vs. European hops, ask the vendor about the seed source.

Posted by: Celeste S - Finland
on: 2017-05-21 18:33:02

My husband and I retired to a 16 acre piece of property on the north shore 3 years ago, specifically Finland MN. Last year I noticed that our woods right next to the river were full of Hops growing up all of the trees! I am excited to identify which species they are this year when they start to grow again. Just from memory, I want to say they are the common hop.

Posted by: Peggy Hopf - Norwood Yount America
on: 2018-08-29 11:21:25

I live in SW suburb of Norwood Young America, and travel on Hwy 212 frequently. I have noticed a vine that looks very much like these pictures of Common Hops, in some areas they are overtaking entire fields. For example, along 212 just East of Bongards there is a very heavy presence of these vines. I would like to know what they are, if in fact they are Common Hops or another vine. I have seen them in many other areas as well.

Posted by: K. Chayka
on: 2018-08-29 11:58:39

Peggy, in all likelihood what you are seeing along roadsides is the native wild cucumber, which is particularly abundant this year. It can cover quite a large area but is not invasive and is not causing problems for other plants.

Posted by: Bill Kramer - Savage, MN
on: 2018-09-06 14:27:52

I see them growing along the path (nice pods) behind Edgewater Drive next to the Credit River.

Posted by: Gary - Carlton County
on: 2018-10-05 15:09:19

On the Munger Trail near Otter Creek. I've collected a few leaves to determine the species and/or variety.

Posted by: Mark J Nolte - Belle Plaine mn.
on: 2019-01-05 13:48:59

I have run across hops in southern scott county. I didn't realize there was a native hops in MN.

Posted by: Jim Montonye - Rochester
on: 2019-08-29 08:25:46

See them on douglas trail, growing in sumac

Posted by: Sheldon - Ramsey County
on: 2020-06-22 14:39:45

Are the common hops/weeds growing in the Shoreview/Roseville area any good for making beer?

Posted by: Roseann Tomko - Minneapolis
on: 2020-08-26 18:48:33

Growing Near Hay Creek Hay Creek 320th Entrance Route 58 and 320th Street - Dead End

Posted by: Megan R Kiihne - Winona
on: 2021-04-05 06:08:57

My father has a perennial hops plant that has been growing on our property on and off for some time. It's spread to other locations and he regularly gets plants and shares plants with other native centric gardeners and farmers.

Posted by: Royalreenie - Inver Grove Heights
on: 2021-09-05 18:17:59

Grow like mad in the woodlands surrounding my area near the Mississippi. Often have wondered if they could be made into beer.

Posted by: Jim Brown - Montgomery
on: 2023-09-22 13:22:54

I have hops growing wild in my backyard along the RR tracks....More every year...smell great!

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